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Finding the Fourth Proportional to 36,581.25, 54,872.01 and 8,879.25

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Solution

The fourth proportional to 36,581.25, 54,872.01 and 8,879.25 is: 13,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,581.25 : 54,872.01 = 8,879.25 : x
  2. Step 2: Convert to fraction form
    36,581.25/54,872.01 = 8,879.25/x
  3. Step 3: Cross multiply
    36,581.25x = 54,872.01 × 8,879.25
  4. Step 4: Simplify right side
    36,581.25x = 487,222,294.79
  5. Step 5: Solve for x
    x = 487,222,294.79/36,581.25
  6. Step 6: Final answer
    x = 13,318.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.